_adapter *rtw_get_iface_by_macddr(_adapter *padapter, u8 *mac_addr)
{
int i;
_adapter *iface = NULL;
u8 bmatch = _FALSE;
struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
for (i = 0; i < dvobj->iface_nums; i++) {
iface = dvobj->padapters[i];
if ((iface) && (_rtw_memcmp(mac_addr, adapter_mac_addr(iface), ETH_ALEN))) {
bmatch = _TRUE;
break;
}
}
if (bmatch)
return iface;
else
return NULL;
}
static s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{
s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
u8 *secondary_myid, *paddr1;
union recv_frame *precvframe_if2 = NULL;
_adapter *primary_padapter = precvframe->u.hdr.adapter;
_adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
struct recv_priv *precvpriv = &primary_padapter->recvpriv;
_queue *pfree_recv_queue = &precvpriv->free_recv_queue;
u8 *pbuf = precvframe->u.hdr.rx_data;
if(!secondary_padapter)
return ret;
paddr1 = GetAddr1Ptr(pbuf);
if(IS_MCAST(paddr1) == _FALSE)//unicast packets
{
secondary_myid = adapter_mac_addr(secondary_padapter);
if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
{
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
}
//ret = recv_entry(precvframe);
}
else // Handle BC/MC Packets
{
u8 clone = _TRUE;
#if 0
u8 type, subtype, *paddr2, *paddr3;
type = GetFrameType(pbuf);
subtype = GetFrameSubType(pbuf); //bit(7)~bit(2)
switch (type)
{
case WIFI_MGT_TYPE: //Handle BC/MC mgnt Packets
if(subtype == WIFI_BEACON)
{
paddr3 = GetAddr3Ptr(precvframe->u.hdr.rx_data);
if (check_fwstate(&secondary_padapter->mlmepriv, _FW_LINKED) &&
_rtw_memcmp(paddr3, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
{
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
clone = _FALSE;
}
if(check_fwstate(&primary_padapter->mlmepriv, _FW_LINKED) &&
_rtw_memcmp(paddr3, get_bssid(&primary_padapter->mlmepriv), ETH_ALEN))
{
if(clone==_FALSE)
{
clone = _TRUE;
}
else
{
clone = _FALSE;
}
precvframe->u.hdr.adapter = primary_padapter;
}
if(check_fwstate(&primary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) ||
check_fwstate(&secondary_padapter->mlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING))
{
clone = _TRUE;
precvframe->u.hdr.adapter = primary_padapter;
}
}
else if(subtype == WIFI_PROBEREQ)
{
//probe req frame is only for interface2
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
clone = _FALSE;
}
break;
case WIFI_CTRL_TYPE: // Handle BC/MC ctrl Packets
break;
case WIFI_DATA_TYPE: //Handle BC/MC data Packets
//Notes: AP MODE never rx BC/MC data packets
paddr2 = GetAddr2Ptr(precvframe->u.hdr.rx_data);
if(_rtw_memcmp(paddr2, get_bssid(&secondary_padapter->mlmepriv), ETH_ALEN))
{
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
clone = _FALSE;
}
break;
default:
break;
}
#endif
if(_TRUE == clone)
{
//clone/copy to if2
struct rx_pkt_attrib *pattrib = NULL;
precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);
if(precvframe_if2)
{
precvframe_if2->u.hdr.adapter = secondary_padapter;
_rtw_init_listhead(&precvframe_if2->u.hdr.list);
precvframe_if2->u.hdr.precvbuf = NULL; //can't access the precvbuf for new arch.
precvframe_if2->u.hdr.len=0;
_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
pattrib = &precvframe_if2->u.hdr.attrib;
if(rtw_os_alloc_recvframe(secondary_padapter, precvframe_if2, pbuf, NULL) == _SUCCESS)
{
recvframe_put(precvframe_if2, pattrib->pkt_len);
//recvframe_pull(precvframe_if2, drvinfo_sz + RXDESC_SIZE);
if (pattrib->physt && pphy_status)
rx_query_phy_status(precvframe_if2, pphy_status);
ret = rtw_recv_entry(precvframe_if2);
}
else
{
rtw_free_recvframe(precvframe_if2, pfree_recv_queue);
DBG_8192C("%s()-%d: alloc_skb() failed!\n", __FUNCTION__, __LINE__);
}
}
}
}
//if (precvframe->u.hdr.attrib.physt)
// rx_query_phy_status(precvframe, pphy_status);
//ret = rtw_recv_entry(precvframe);
#endif
return ret;
}
static s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status)
{
s32 ret=_SUCCESS;
#ifdef CONFIG_CONCURRENT_MODE
u8 *secondary_myid, *paddr1;
union recv_frame *precvframe_if2 = NULL;
_adapter *primary_padapter = precvframe->u.hdr.adapter;
_adapter *secondary_padapter = primary_padapter->pbuddy_adapter;
struct recv_priv *precvpriv = &primary_padapter->recvpriv;
_queue *pfree_recv_queue = &precvpriv->free_recv_queue;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(primary_padapter);
if(!secondary_padapter)
return ret;
paddr1 = GetAddr1Ptr(precvframe->u.hdr.rx_data);
if(IS_MCAST(paddr1) == _FALSE)//unicast packets
{
secondary_myid = adapter_mac_addr(secondary_padapter);
if(_rtw_memcmp(paddr1, secondary_myid, ETH_ALEN))
{
//change to secondary interface
precvframe->u.hdr.adapter = secondary_padapter;
}
//ret = recv_entry(precvframe);
}
else // Handle BC/MC Packets
{
//clone/copy to if2
_pkt *pkt_copy = NULL;
struct rx_pkt_attrib *pattrib = NULL;
precvframe_if2 = rtw_alloc_recvframe(pfree_recv_queue);
if(!precvframe_if2)
return _FAIL;
precvframe_if2->u.hdr.adapter = secondary_padapter;
_rtw_memcpy(&precvframe_if2->u.hdr.attrib, &precvframe->u.hdr.attrib, sizeof(struct rx_pkt_attrib));
pattrib = &precvframe_if2->u.hdr.attrib;
//driver need to set skb len for skb_copy().
//If skb->len is zero, skb_copy() will not copy data from original skb.
skb_put(precvframe->u.hdr.pkt, pattrib->pkt_len);
pkt_copy = rtw_skb_copy( precvframe->u.hdr.pkt);
if (pkt_copy == NULL)
{
if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
{
DBG_8192C("pre_recv_entry(): rtw_skb_copy fail , drop frag frame \n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
return ret;
}
pkt_copy = rtw_skb_clone( precvframe->u.hdr.pkt);
if(pkt_copy == NULL)
{
DBG_8192C("pre_recv_entry(): rtw_skb_clone fail , drop frame\n");
rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
return ret;
}
}
pkt_copy->dev = secondary_padapter->pnetdev;
precvframe_if2->u.hdr.pkt = pkt_copy;
precvframe_if2->u.hdr.rx_head = pkt_copy->head;
precvframe_if2->u.hdr.rx_data = pkt_copy->data;
precvframe_if2->u.hdr.rx_tail = skb_tail_pointer(pkt_copy);
precvframe_if2->u.hdr.rx_end = skb_end_pointer(pkt_copy);
precvframe_if2->u.hdr.len = pkt_copy->len;
//recvframe_put(precvframe_if2, pattrib->pkt_len);
if ( pHalData->ReceiveConfig & RCR_APPFCS)
recvframe_pull_tail(precvframe_if2, IEEE80211_FCS_LEN);
if (pattrib->physt)
rx_query_phy_status(precvframe_if2, pphy_status);
if(rtw_recv_entry(precvframe_if2) != _SUCCESS)
{
RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
("recvbuf2recvframe: rtw_recv_entry(precvframe) != _SUCCESS\n"));
}
}
//if (precvframe->u.hdr.attrib.physt)
// rx_query_phy_status(precvframe, pphy_status);
//ret = rtw_recv_entry(precvframe);
#endif
return ret;
}
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
void *br_port = NULL;
#endif
int ret;
/* Indicat the packets to upper layer */
if (pkt) {
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
_pkt *pskb2=NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
int bmcast = IS_MCAST(pattrib->dst);
//DBG_871X("bmcast=%d\n", bmcast);
if (_rtw_memcmp(pattrib->dst, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE)
{
//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);
if(bmcast)
{
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = rtw_skb_clone(pkt);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if(psta)
{
struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;
//DBG_871X("directly forwarding to the rtw_xmit_entry\n");
//skb->ip_summed = CHECKSUM_NONE;
pkt->dev = pnetdev;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
_rtw_xmit_entry(pkt, pnetdev);
if(bmcast && (pskb2 != NULL) ) {
pkt = pskb2;
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
} else {
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
return;
}
}
}
else// to APself
{
//DBG_871X("to APSelf\n");
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
}
}
#ifdef CONFIG_BR_EXT
// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
{
int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
if (nat25_handle_frame(padapter, pkt) == -1) {
//priv->ext_stats.rx_data_drops++;
//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
//return FAIL;
#if 1
// bypass this frame to upper layer!!
#else
rtw_skb_free(sub_skb);
continue;
#endif
}
}
#endif // CONFIG_BR_EXT
if( precvpriv->sink_udpport > 0)
rtw_sink_rtp_seq_dbg(padapter,pkt);
pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
pkt->dev = padapter->pnetdev;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
pkt->ip_summed = CHECKSUM_UNNECESSARY;
} else {
pkt->ip_summed = CHECKSUM_NONE;
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX
ret = rtw_netif_rx(padapter->pnetdev, pkt);
if (ret == NET_RX_SUCCESS)
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
else
DBG_COUNTER(padapter->rx_logs.os_netif_err);
}
}
void rtw_os_recv_indicate_pkt(_adapter *padapter, _pkt *pkt, struct rx_pkt_attrib *pattrib)
{
struct mlme_priv*pmlmepriv = &padapter->mlmepriv;
struct recv_priv *precvpriv = &(padapter->recvpriv);
#ifdef CONFIG_BR_EXT
void *br_port = NULL;
#endif
int ret;
/* Indicat the packets to upper layer */
if (pkt) {
if(check_fwstate(pmlmepriv, WIFI_AP_STATE) == _TRUE)
{
_pkt *pskb2=NULL;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
int bmcast = IS_MCAST(pattrib->dst);
//DBG_871X("bmcast=%d\n", bmcast);
if (_rtw_memcmp(pattrib->dst, adapter_mac_addr(padapter), ETH_ALEN) == _FALSE)
{
//DBG_871X("not ap psta=%p, addr=%pM\n", psta, pattrib->dst);
if(bmcast)
{
psta = rtw_get_bcmc_stainfo(padapter);
pskb2 = rtw_skb_clone(pkt);
} else {
psta = rtw_get_stainfo(pstapriv, pattrib->dst);
}
if(psta)
{
struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;
//DBG_871X("directly forwarding to the rtw_xmit_entry\n");
//skb->ip_summed = CHECKSUM_NONE;
pkt->dev = pnetdev;
#if (LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35))
skb_set_queue_mapping(pkt, rtw_recv_select_queue(pkt));
#endif //LINUX_VERSION_CODE>=KERNEL_VERSION(2,6,35)
_rtw_xmit_entry(pkt, pnetdev);
if(bmcast && (pskb2 != NULL) ) {
pkt = pskb2;
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_mcast);
} else {
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_forward);
return;
}
}
}
else// to APself
{
//DBG_871X("to APSelf\n");
DBG_COUNTER(padapter->rx_logs.os_indicate_ap_self);
}
}
#ifdef CONFIG_BR_EXT
// Insert NAT2.5 RX here!
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
br_port = padapter->pnetdev->br_port;
#else // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
rcu_read_lock();
br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
rcu_read_unlock();
#endif // (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
if( br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == _TRUE) )
{
int nat25_handle_frame(_adapter *priv, struct sk_buff *skb);
if (nat25_handle_frame(padapter, pkt) == -1) {
//priv->ext_stats.rx_data_drops++;
//DEBUG_ERR("RX DROP: nat25_handle_frame fail!\n");
//return FAIL;
#if 1
// bypass this frame to upper layer!!
#else
rtw_skb_free(sub_skb);
continue;
#endif
}
}
#endif // CONFIG_BR_EXT
if( precvpriv->sink_udpport > 0)
rtw_sink_rtp_seq_dbg(padapter,pkt);
#ifdef DBG_UDP_PKT_LOSE_11AC
/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header ,
* we have to check ethernet type , so this debug must be print before eth_type_trans
*/
if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_ARP)) {
/* ARP Payload length will be 42bytes or 42+18(tailer)=60bytes*/
if (pkt->len != 42 && pkt->len != 60)
DBG_871X("Error !!%s,ARP Payload length %u not correct\n" , __func__ , pkt->len);
} else if (*((unsigned short *)(pkt->data+ETH_ALEN*2)) == htons(ETH_P_IP)) {
if (be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))) != (pkt->len)-ETH_HLEN) {
DBG_871X("Error !!%s,Payload length not correct\n" , __func__);
DBG_871X("%s, IP header describe Total length=%u\n" , __func__ , be16_to_cpu(*((u16 *)(pkt->data+PAYLOAD_LEN_LOC_OF_IP_HDR))));
DBG_871X("%s, Pkt real length=%u\n" , __func__ , (pkt->len)-ETH_HLEN);
}
}
#endif
/* After eth_type_trans process , pkt->data pointer will move from ethrnet header to ip header */
pkt->protocol = eth_type_trans(pkt, padapter->pnetdev);
pkt->dev = padapter->pnetdev;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
if ( (pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1) ) {
pkt->ip_summed = CHECKSUM_UNNECESSARY;
} else {
pkt->ip_summed = CHECKSUM_NONE;
}
#else /* !CONFIG_TCP_CSUM_OFFLOAD_RX */
pkt->ip_summed = CHECKSUM_NONE;
#endif //CONFIG_TCP_CSUM_OFFLOAD_RX
ret = rtw_netif_rx(padapter->pnetdev, pkt);
if (ret == NET_RX_SUCCESS)
DBG_COUNTER(padapter->rx_logs.os_netif_ok);
else
DBG_COUNTER(padapter->rx_logs.os_netif_err);
}
}
